Home / 71,588,343.42-107,362,917.09-19,760,556.33

Finding the Fourth Proportional to 71,588,343.42, 107,362,917.09 and 19,760,556.33

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Solution

The fourth proportional to 71,588,343.42, 107,362,917.09 and 19,760,556.33 is: 29,635,424.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,588,343.42 : 107,362,917.09 = 19,760,556.33 : x
  2. Step 2: Convert to fraction form
    71,588,343.42/107,362,917.09 = 19,760,556.33/x
  3. Step 3: Cross multiply
    71,588,343.42x = 107,362,917.09 × 19,760,556.33
  4. Step 4: Simplify right side
    71,588,343.42x = 2,121,550,970,910,064.50
  5. Step 5: Solve for x
    x = 2,121,550,970,910,064.50/71,588,343.42
  6. Step 6: Final answer
    x = 29,635,424.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.